A coil having an area `A_(0)` is placed in a magnetic field which changes from `B_(0)` to `4B_(0)` in a time interval `t`. The e.m.f. induced in the coil will be

A coil having an area A_(0) is placed in a magnetic field which changes from B_(0) to 4B_(0) in time interval t. The emf induced in the coil will be

A coil having an area of 2m^(2) is placed in a magnetic field which changes from 2 Wb//m^(2) to 5Wb//m^(2) in 3 seconds. The e.m.f. Induced in the coil is

A coil having an area 2 m^(2) is placed in a magnetic field which changes from 1 wb//m_(2) n interval of 2s. The e.m.f. induced in the coil is:

A coil having area A​_(0) is placed in a magnetic field which changes from B_(​0) to 4B_(​0) in 't' seconds, as shown in the figure. The induced emf will be :-

A coil having an area of 3m^(2) is placed in a magnetic field which changes from a 9 Wb//m^(2) to 5Wb//m^(2) in three seconds. The e.m.f. Induced in the coil is

A coil having an area 2m^(2) is placed in a magnetic field which changes from 1 Wb//m^(2) to 4Wb//m^(2) in an interval of 2 second. The average e.m.f. induced in the coil will be

The magnetic flux linked with the coil changes from 0.1 Wb to 0.04 Wb in 3 s. the emf induced in the coil is

A coil of cross-sectional area A having n turns is placed in uniform magnetic field B. When it is rotated with an angular velocity omega , the maximum e.m.f. induced in the coil will be :